电子鼻作为一种无损检测技术,通过检测苹果的气体成分(酯类、醇类等)变化来监测果实品质变化。电子鼻技术主要有三部分构成:气体传感器阵列、信号预处理电路和计算机模式识别系统。在苹果品种鉴定方面,电子鼻对苹果品种的区分能力约为8种;随着品种数量的增加,电子鼻的区分度开始下降;电子鼻对完整果实的区分效果优于对果汁的区分效果。电子鼻在苹果成熟度和货架期的检测方面的精度主要受模式识别技术的影响,PCA和LDA应用效果较好。电子鼻可以对苹果贮藏期进行预测,同时电子鼻对贮藏期间苹果好坏质量方面有很好的区分度。 As a non-destructive testing technology, the electronic nose is through the detection of apple gas components (esters, alcohols, etc.) to monitor changes in fruit quality. Electronic nose technology is mainly composed of three parts: gas sensor array, signal preprocessing circuit and computer pattern recognition system. In appraisal of apple variety, electronic nose can distinguish about 8 kinds of apple varieties. With the increasing of the number of varieties, the differentiation degree of electronic nose began to decrease. And the distinction of electronic nose on whole fruit is better than that of fruit juice. The accuracy of electronic nose in the detection of apple maturity and shelf life is mainly affected by pattern recognition technology, PCA and LDA application is better. The use of electronic nose can predict the storage period of the apple, and the electronic nose has a good distinction on the quality of the apple during storage.
电子鼻,苹果品质,品质检测,品种鉴定, Electronic Nose Apple Quality Quality Detection Variety Identification电子鼻在苹果检测中应用的研究进展
丁庆行,赵东杰,刘 军,薛 程. 电子鼻在苹果检测中应用的研究进展 Research Progress of Electronic Nose in Apple Quality Testing[J]. 传感器技术与应用, 2018, 06(02): 41-49. https://doi.org/10.12677/JSTA.2018.62005
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